//
//  HKReachability.h
//  HKMacros
//
//  Created by 胡锦涛 on 2020/7/4.
//

#import <Foundation/Foundation.h>
#import <SystemConfiguration/SystemConfiguration.h>
#import <netinet/in.h>
 
 
typedef enum : NSInteger {
    HKNetworkStatusNotReachable = 0,
    HKNetworkStatusReachableViaWiFi,
    HKNetworkStatusReachableViaWWAN
} HKNetworkStatus;
 
#pragma mark IPv6 Support
//Reachability fully support IPv6.  For full details, see ReadMe.md.
 
 
extern NSString *hkReachabilityChangedNotification;
 
 
@interface HKReachability : NSObject
 
/*!
 * Use to check the reachability of a given host name.
 */
+ (instancetype)reachabilityWithHostName:(NSString *)hostName;
 
/*!
 * Use to check the reachability of a given IP address.
 */
+ (instancetype)reachabilityWithAddress:(const struct sockaddr *)hostAddress;
 
/*!
 * Checks whether the default route is available. Should be used by applications that do not connect to a particular host.
 */
+ (instancetype)reachabilityForInternetConnection;
 
 
#pragma mark reachabilityForLocalWiFi
//reachabilityForLocalWiFi has been removed from the sample.  See ReadMe.md for more information.
//+ (instancetype)reachabilityForLocalWiFi;
 
/*!
 * Start listening for reachability notifications on the current run loop.
 */
- (BOOL)startNotifier;
- (void)stopNotifier;
 
- (HKNetworkStatus)currentReachabilityStatus;
 
/*!
 * WWAN may be available, but not active until a connection has been established. WiFi may require a connection for VPN on Demand.
 */
- (BOOL)connectionRequired;
 
@end
